Daily Digit: Midterms are just 99 days away

Daily Digit is the story behind the numbers that make our world work. There are just 99 days left until voters head to the polls, so we’re taking a look at where things stand with the 2018 midterm elections. With 36 governors races, 35 senate seats up for grabs, and all 436 house districts on the table — not to mention countless local elections — campaigns are starting to kick into high gear. Here’s what you need to know as the race to November 6 heats up.